Seoul Subway Line 2

Line 2
Overview
Native name	2호선(二號線) I Hoseon
Status	Operational
Termini	City Hall / Seongsu / Sindorim City Hall / Sinseol-dong / Kkachisan
Stations	51
Service
Type	Rapid transit
System	Seoul Metropolitan Subway
Operator(s)	Seoul Metro
History
Opened	October 31, 1980 (1980-10-31)
Technical
Line length	60.2 km (37.4 mi)
Number of tracks	2
Electrification	1,500 V DC overhead catenary
Operating speed	90 km/h (56 mph)

Seoul Subway Line 2 (Korean: 서울 지하철 2호선), also known as the Circle Line, is a circular line of the Seoul Metropolitan Subway. The line running clockwise is called the "inner circle line" and the counter-clockwise line is called the "outer circle line". This is Seoul's most heavily used line, and consists of the main loop (48.8 km (30.3 mi)), the Seongsu Branch (5.4 km (3.4 mi)) and the Sinjeong Branch (6.0 km (3.7 mi)) for a total line length of 60.2 km (37.4 mi). The Line 2 loop is the third longest subway loop in the world after Moscow Metro Bolshaya Koltsevaya line and Beijing Subway Line 10.^[a][2] In 2019, Line 2 had an annual ridership of 812 million passengers or 2.2 million passengers per day.^[3]

Headways on the line vary from 2 minutes 18 seconds on peak periods ^[4] and 5–6 minutes off-peak periods. The line connects the city centre to Gangnam, Teheran Valley and the COEX/KWTC complex.

Cite error: There are <ref group=lower-alpha> tags or {{efn}} templates on this page, but the references will not show without a {{reflist|group=lower-alpha}} template or {{notelist}} template (see the help page).